G - Physics – 11 – B
Patent
G - Physics
11
B
352/31.2
G11B 15/66 (2006.01) G11B 23/00 (2006.01) G11B 23/037 (2006.01)
Patent
CA 1153467
Abstract A reel for web material such as magnetic recording tape is disclosed. The reel may be advantageously employed in a reel-to-reel magnetic tape transport where mag- netic tape is wound under tension that is converted to radial forces which subject layers of the tape disposed over discontinuities associated with the reel hub to adversely affect the transducing relationship between the flux gap and the transducer of the recording sur- face of the tape. The section of the cylindrical tape receiving surface which is associated with a discontinuity is formed to function as a cantilever beam with the distal end of the beam being aligned with the discontinuity. The outer portion of the hub is made of relatively com- pressible material, while the inner portion is rela- tively solid. Compressibility of the outer portion is enhanced by providing a plurality of circumferentially disposed cylindrically shaped openings which also function to relieve radially induced forces on the tape layers.
374645
Richard Maurice E.
Winarski Daniel J.
International Business Machines Corporation
Kerr Alexander
LandOfFree
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